Adding and Subtracting Fractions with Unlike Denominators

Abraham made two different types of cookies. He used 2/3 cup of sugar for one recipe and 2/4 cup of sugar for the other. How much sugar did he use in all?

• 1 and 1/12 cups

• 1/6 cup

• 1 and 3/12 cups

• 1 and 1/6 cups

Max measured 3/4 cup of sugar into a measuring cup to bake a cake. He dropped 1/8 of the sugar onto the floor. How much sugar does Max have left in the cup?

• 1/4 cup

• 5/8 cup

• 7/8 cup

• 1/2 cup

Jennifer had 8/12 cup of water and 5/6 cup of oil that she poured into a jar for a science project on mixtures. How many cups of the water and oil mixture did she have?

• 1 and 1/6 cup

• 1/6 cup

• 2/12 cup

• 1 and 1/2 cups

Stacy used 1/4 cup of sugar and 2/3 cup of flour to bake a cupcakes. How much more flour did Stacy use than sugar?

• 11/12 cup

• 10/12 cup

• 6/12 cup

• 5/12 cup

Michelle had 9/12 of a cookie cake leftover from her birthday party. Her aunt took 1/4 of the cookie cake home. How much cookie cake did Michelle have left?

• 1

• 5/12

• 1/2

• 7/12

There are 4/8 of a pound of onions and 3/4 of a pound of ground beef used in the meatloaf recipe. How many pounds do the onion and beef weigh together?

• 1 and 1/4 pounds

• 1 and 1/2 pounds

• 2/8 pound

• 1/4 pound

1/2 + 1/4 = 

• 3/4

• 2/4

• 3/6

19/20 - 3/10 = 

• 15/20

• 22/20

• 13/20

8/15 - 1/5 = 

• 1/10

• 1/3

• 7/15

3/5 - 3/10 = 

• 3/10

• 4/10

• 5/10